Job Summary: We are seeking a Microservices AP or Senior Programmer profile for the design and development of microservices and APIs, and for the integration of processes with Spring Batch. Key Highlights: 1. Design and development of microservices and APIs following modern architectures 2. Integration of processes with Spring Batch and external systems 3. Working with cutting-edge technologies and a dynamic, innovative team At Seidor Gesein, we are looking to incorporate into our team a Microservices AP or Senior Programmer profile with extensive experience in developing ICT solutions. Responsibilities Design and development of microservices and APIs following modern architectures, applying SAGA and EDA patterns, and ensuring code quality through unit tests and Kiuwan. Design and integration of processes with Spring Batch and external systems via WebClient, deploying solutions on OpenShift. Requirements * Minimum 6 years’ experience as an Analyst Programmer or 8 years’ as a Senior Programmer. * Microservices design using Spring Boot and Java 21. * Efficient process design using Spring Batch. * Definition of SAGA patterns and event-driven architectures (EDA) using IBM Event Streams (Kafka-based). * API design following the API-First approach with OpenAPI 3.1. * Knowledge of hexagonal architectures. * Proficiency in JPA and management of Oracle relational databases. * Unit test design using JUnit. * User-level proficiency with OpenShift as a container deployment platform. * Experience with Kiuwan (Sonar is a plus) for code quality. Benefits * Permanent full-time contract * Hybrid work model: 2–3 days per week at the Velázquez office * Annual gross salary of €30,000 * Internal training provided by the company * Option to enroll in our corporate health insurance plan. If you are passionate about working with cutting-edge technologies and want to join a dynamic, innovative team, join Seidor Gesein and take your career to the next level!